作业分配算法优化

This commit is contained in:
gonglexin 2014-11-04 21:43:14 +08:00
parent 1c7b6aa17e
commit ed258a98ba
2 changed files with 17 additions and 22 deletions

View File

@ -1006,28 +1006,18 @@ class BidsController < ApplicationController
@bid = Bid.find(params[:id])
if(@bid.comment_status == 0)
homeworks = @bid.homeworks
if(homeworks && homeworks.count >= 4)
@bid.update_column('comment_status', 1)
users = homeworks.map { |h| h.user }
@start_index = rand(homeworks.size)
while users[0] == homeworks[@start_index].user
@start_index = rand(homeworks.size)
end
3.times do |i|
homework_start_index = @start_index + i
users.each_with_index do |user, index|
actual_index = homework_start_index + index
actual_index = (actual_index < homeworks.size ? actual_index : actual_index - homeworks.size)
if user != homeworks[actual_index]
@homework_evaluation = HomeworkEvaluation.new(user_id: user.id, homework_attach_id: homeworks[actual_index].id)
@homework_evaluation.save
end
if(homeworks && homeworks.size > 2)
homeworks.each_with_index do |homework, index|
user = homework.user
n = 3 # TODO: this value should get from params, (老师设置)
n = n < homeworks.size ? n : homeworks.size - 1
assigned_homeworks = get_assigned_homeworks(homeworks, n, index)
assigned_homeworks.each do |h|
@homework_evaluation = HomeworkEvaluation.new(user_id: user.id, homework_attach_id: h.id)
@homework_evaluation.save
end
end
# 修改状态为 '启动匿评'
#@bid.update_column('comment_status', 1)
@bid.update_column('comment_status', 1)
@statue = 1
else
@statue = 2
@ -1053,6 +1043,11 @@ class BidsController < ApplicationController
private
def get_assigned_homeworks(homeworks, n, index)
homeworks += homeworks
homeworks[index + 1 .. index + n]
end
def find_bid
if params[:id]
@bid = Bid.find(params[:id], :include => [{:homeworks => :user}])

View File

@ -107,9 +107,9 @@
<span id="<%=@bid.id %>_anonymous_comment">
<% case @bid.comment_status %>
<% when 0 %>
<%= link_to '启动匿评', start_anonymous_comment_bid_path(bid), id: "#{bid.id}_start_anonymous_comment", remote: true, :confirm => "开启匿评后学生将不能对作业进行提交、修改、删除等操作\n是否确定开启匿评", disable_with: '加载中...' %>
<%= link_to '启动匿评', start_anonymous_comment_bid_path(@bid), id: "#{@bid.id}_start_anonymous_comment", remote: true, :confirm => "开启匿评后学生将不能对作业进行提交、修改、删除等操作\n是否确定开启匿评", disable_with: '加载中...' %>
<% when 1 %>
<%= link_to '关闭匿评', stop_anonymous_comment_bid_path(bid), id: "#{bid.id}_stop_anonymous_comment", remote: true, :confirm => "关闭匿评后学生将不能对作业进行评分\n是否确定关闭匿评" %>
<%= link_to '关闭匿评', stop_anonymous_comment_bid_path(@bid), id: "#{@bid.id}_stop_anonymous_comment", remote: true, :confirm => "关闭匿评后学生将不能对作业进行评分\n是否确定关闭匿评" %>
<% when 2 %>
匿评结束
<% end %>